Home / 2,551.14-3,520.47-1,432.17

Finding the Fourth Proportional to 2,551.14, 3,520.47 and 1,432.17

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Solution

The fourth proportional to 2,551.14, 3,520.47 and 1,432.17 is: 1,976.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.14 : 3,520.47 = 1,432.17 : x
  2. Step 2: Convert to fraction form
    2,551.14/3,520.47 = 1,432.17/x
  3. Step 3: Cross multiply
    2,551.14x = 3,520.47 × 1,432.17
  4. Step 4: Simplify right side
    2,551.14x = 5,041,911.52
  5. Step 5: Solve for x
    x = 5,041,911.52/2,551.14
  6. Step 6: Final answer
    x = 1,976.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.